2820555

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 5313600

約数和(自身を除く): 2493045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 1229, 2295, 3687, 6145, 11061, 18435, 20893, 33183, 55305, 62679, 104465, 165915, 188037, 313395, 564111, 940185, 2820555]

約数ペア:

[(1, 2820555), (3, 940185), (5, 564111), (9, 313395), (15, 188037), (17, 165915), (27, 104465), (45, 62679), (51, 55305), (85, 33183), (135, 20893), (153, 18435), (255, 11061), (459, 6145), (765, 3687), (1229, 2295)]